FILTER, ASTRAGUARD PULMONARY (100/BX)

The AstraGuard Bacterial/Viral Filter provides virtually perfect infection protection for expiratory and inspiratory spirometry testing, This easy-to-use disposable mouthpiece incorporates a highly efficient woven filter that virtually eliminates cross-contamination from patient to patient and from patient to health care professional, Low resistance to air flow, 99.9% Bacterial and viral efficiency, Small, non-threatening size

Product Specification Sheet